PDF malware analysis — malicious · dc6d9c7dadfa43bf

MALICIOUS

PDF

898.6 KB

MD5: f3ad6c6760986d2ac6b3c46b2c07ad38 SHA-1: 60514d660f35083c40a920ba15127f2f5d8fe17e SHA-256: dc6d9c7dadfa43bf2baed2c0ec6165f56b651531a5ec562e00824ccf937261d3

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2010-2883, an Adobe Reader exploit. This indicates the file is designed to leverage this vulnerability to execute arbitrary code. The embedded JavaScript streams, particularly javascript_obj0029_000.js, are likely responsible for downloading and executing a second-stage payload, although their exact contents are obfuscated. The presence of XFA forms and ASCIIHexDecode filters further supports the exploit vector.

Heuristics 6

Adobe Reader CoolType SING font exploit — CVE-2010-2883 critical CVE likely CVE_2010_2883

PDF embeds a TrueType/OpenType font with an actual SING table and pairs it with JavaScript heap-spray shellcode. This matches the public Adobe Reader CoolType SING exploit shape for CVE-2010-2883.
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 6

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0029_000.js` `110bbba065abc8127673dca9059d28b16db900bf410af4f036bd6252605f51c0`	pdf-javascript-stream	PDF /JS object 29 at offset 0xDEA07	15001 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 long base64-like blob(s).
`javascript_obj0038_001.js` `2c0b66ec50073178ddc3de2aaf0627ef83819a8f71c118ff3b075b4bd82749fe`	pdf-javascript-stream	PDF /JS object 38 at offset 0x1C6AA	1242 bytes
`javascript_obj0039_002.js` `d8bbcc5984e6bec8996e18881fad0486ff520c9b9f03ee0fb9694ddfc412340d`	pdf-javascript-stream	PDF /JS object 39 at offset 0x1CC7C	1572 bytes
`stream_004_off00000cd0.bin` `69e17a0038b9273e6d005ef52313a832cb41b9cf9713d6134d0cf9f2e59298a7`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xCD0	434 bytes
`font_00_sfnt_off00001313.bin` `6ddf1ad4724af53fb11f98a18777952d438571fc7e7c49b6604c501c45de5865`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1313	65935 bytes
`font_01_sfnt_off0001365e.bin` `f47c9abb5d2db9eba0120d21ad1d12a5aa7a16ae2c86c7f440007027a87eb56a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1365E	65935 bytes

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